Asynchrones Streaming von Server-Sent Events via StreamingHttpResponse

import asyncio
from django.http import StreamingHttpResponse
 
async def event_generator():
    for count in range(5):
        await asyncio.sleep(1)
        yield f"data: {{'step': {count}}}\n\n"
 
async def sse_stream_view(request):
    response = StreamingHttpResponse(
        event_generator(),
        content_type='text/event-stream'
    )
    response['Cache-Control'] = 'no-cache'
    return response